org 0x9000 ;current program run in addr in 0x9000

begin:
  mov si,msg

print:
  mov al,[si]
  add si,1
  cmp al,0x00
  je end
  mov ah,0x0E
  mov bx,0x0F
  int 0x10
  jmp print

end:
  hlt
  jmp end

msg:
  db 0x0a,0x0a
  db "Hello,D.T.OS!"
  db 0x0a,0x0a
  db 0x00
